A male given name from Ancient Greek, a mostly British and Irish spelling variant of Dennis.
Shall not thou and I, between Saint Denis and Saint George, compound a boy, half French, half English, that shall go to Constantinople and take the Turk by the beard? 1599 (date written), William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene ii]: